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Sentence analysis
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Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
トンネル
tunnel; tunnel through a potential barrier; letting a grounder go through one's legsnoun, suru verb
は
topic markergrammar
シールドマシン
shield machine; tunnel boring machinenoun
で
location, means, or scope markergrammar
掘削
excavation; diggingnoun, suru verb
され
passive, potential, or respect auxiliary-> されるgrammar
ました。
polite pastgrammar